Bitcoin scammers send bomb threats worldwide, causing evacuations - The Verge

https://www.theverge.com/2018/12/13/18139724/bitcoin-bomb-threat-scam-email-us-police-department-investigation-evacuations

Spammers are sending a wave of threats to businesses, schools, and other locations in English-speaking countries across the world, demanding bitcoin in exchange for not detonating a supposed bomb.